Howitzer Support Marines with Marine Rotational Force Darwin shovel dirt to support a howitzer at a firing point during Exercise Koolendong at Mount Bundey Training Area, Australia, Aug. 30, 2019. SHARE IMAGE: Download Image: Full Size (1.51 MB) Photo By: Marine Corps Lance Cpl. Nicholas Filca VIRIN: 190903-M-KM064-004D.JPG Photo Gallery